Echo CS-2600ES - Manual (Page 3)

SERVICE INFORMATION
CS-2600ES
CS-2700ES 3
1-2 Technical data
Model CS-2600, CS-2600ES CS-2700ES
Engine
Idling speed r/min 3000 - 3600
Operating speed r/min 8500 - 9000
High speed (No load full throttle)* r/min 10500 - 11500
Clutch engagement speed r/min 4450 - 4750
Compression pressure MPa (kgf/cm 2 ) (psi) 0.69 (7.0) (100)
Ignition system
Spark plug gap mm(in) 0.6 - 0.7 (0.024 - 0.028)
Minimum secondary voltage at 1500 r/min kV 15
Secondary coil resistance k
Ω
1.2 - 1.8
Pole shoe air gaps mm (in) 0.30 - 0.40 (0.012 - 0.016)
Ignition timing at 1500 r/min
°
BTDC 12
at 7500 r/min
°
BTDC 29
Carburettor
Idle adjust screw initial setting turns in** 1 7/8 1 7/8
L mixture needle initial setting turns back 2 3/8 2 3/8
H mixture needle initial setting turns back 2 3/8 2 1/2
Test Pressure, minimum MPa (kgf/cm 2 ) (psi) 0.05(0.5)(7.0)
Metering lever height mm(in) 1.65 (0.06) lower than diaphragm seat
Chain oil discharge volume at 7000 r/ min Adjustable: 1.5 - 13 (0.05 - 0.40)
mL/min(U.S.fl.oz./min) (Factory set 7 mL/min)
BTDC: Before top dead centre.
*With 25cm guide bar and saw chain.
**Set idle adjust screw to contact throttle plate before initial setting.